US2787583A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Naphtha hydroforming process
Assignee: MW Kellogg Co
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Filing: 1954-08-24
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Granted: 1957-04-02
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Expires: 1974-08-24
Abstract
No abstract record available.
Inventors
- 👤 Henry G Mcgrath
- 👤 Martin R Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:38
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A NON-REGENERATIVE FLUID HYDROFORMING PROCESS IN WHICH A NAPHTHA FRACTION IS CONTACTED WITH A FLUIDIZED MASS OF A FINELY DIVIDED CATALYTIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE OXIDES AND SULFIDES OF METALS IN GROUPS IV, V AND VI OF THE PERIODIC TABLE IN A REACTION ZONE, PASSING TO THE REACTION ZONE A HYDROGEN CONTAINING GAS IN THE AMOUNT OF ABOUT 7600 TO BOUT 12,500 S.C.F.B., THE HYDROGEN CONTAINING GAS HAVING A HYDROGEN CONCENTRATION OF ABOUT 55 TO ABOUT 95% BY VOLUME, AT A TEMPERATURE OF ABOUT 850* TO ABOUT 975*F. AND MAINTAINING A HYDROGEN PARTIAL PRESSURE WITHIN THE REACTION ZONE OF ABOUT 330 TO ABOUT 440 P.S.I.G.
Claim 2
Dependent Claim
109 words
A NON-REGENERATIVE FLUID HYDROFORMING PROCESS IN WHICH A NAPHTHA FRACTION IS CONTACTED WITH A FLUIDIZED MASS OF A FINELY DIVIDED CATALYTIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF THE OXIDES AND SULFIDES OF METALS IN GROUPS IV, V AND VI OF THE PERIODIC TABLE IN A REACTION ZONE, PASSING TO THE REACTION ZONE A HYDROGEN CONTAINING GAS IN THE AMOUNT OF ABOUT 7600 TO BOUT 12,500 S.C.F.B., THE HYDROGEN CONTAINING GAS HAVING A HYDROGEN CONCENTRATION OF ABOUT 55 TO ABOUT 95% BY VOLUME, AT A TEMPERATURE OF ABOUT 850* TO ABOUT 975*F. AND MAINTAINING A HYDROGEN PARTIAL PRESSURE WITHIN THE REACTION ZONE OF ABOUT 330 TO ABOUT 440 P.S.I.G.
References Cited (Backward Citations)
US2656304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |